mercurial/node.py
author Alexis S. L. Carvalho <alexis@cecm.usp.br>
Thu, 02 Aug 2007 01:56:08 -0300
changeset 5053 47a8ea1eb2c3
parent 4995 e45fc5d03798
permissions -rw-r--r--
del transaction before lock before wlock This way rollbacks happen while the repo is still locked. Deleting lock before wlock is not strictly necessary, but is more consistent with the locking order.

"""
node.py - basic nodeid manipulation for mercurial

Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>

This software may be used and distributed according to the terms
of the GNU General Public License, incorporated herein by reference.
"""

import binascii

nullrev = -1
nullid = "\0" * 20

# This ugly style has a noticeable effect in manifest parsing
hex = binascii.hexlify
bin = binascii.unhexlify

def short(node):
    return hex(node[:6])